Ralph Lauren quietly shuttered its two-year-old 20,000-square-foot store last week. Other brands are expected to close boutiques in a city that has lost its luster for cash-rich mainland Chinese tourists.

Riccardo Tisci has had a blizzard of projects in the first half of the year — beyond the usual glut of collections and pre-collections for women and men.

TIME OUT: Givenchy is sitting out couture for a second season. A spokesman for the Paris house confirmed Riccardo Tisci has decided not to do a high-fashion collection for fall given his frantic schedule this year.

However, the Givenchy spokesman stressed the house would continue its couture activity and that it continues to enlarge its atelier. Paris couture week is scheduled for July 1 to 4.

Somehow, amidst all that workload, Tisci also found time for a series of new Givenchy watches for men and women, each named after a prime number (Tisci’s lucky number is 17, by the way). Givenchy’s previous watch collection was discontinued in 2009.

The new timepiece features stainless steel and sapphire glass housing a Swiss-made quartz movement. Gold-plated details juxtapose interchangeable nylon or leather straps with raw edges, while luminescent indexes provide a vintage feel to an otherwise graphic design. The line is unisex.

The collection is exclusively available through Colette in Paris, Barneys New York in New York and Beverly Hills, 10 Corso Como in Milan, Boon the Shop in Seoul, Selfridges in London and select Givenchy stores, before hitting a wider range of selected boutiques in September. The timepieces are available in six color combinations and will retail between 590 euros and 690 euros, or $770 and $890 at current exchange.

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@rebeccaminkoff is bringing self-checkout to high fashion: The brand has partnered with @queuehop to bring its customers self-checkout options, beginning this holiday season at its SoHo store. (📷: @aurorarosephoto)